84989840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1248

約数の個数: 80

約数和(自身を含む): 215986176

約数和(自身を除く): 130996336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1151, 1420, 1846, 2302, 2840, 3692, 4604, 4615, 5680, 5755, 7384, 9208, 9230, 11510, 14768, 14963, 18416, 18460, 23020, 29926, 36920, 46040, 59852, 73840, 74815, 81721, 92080, 119704, 149630, 163442, 239408, 299260, 326884, 408605, 598520, 653768, 817210, 1062373, 1197040, 1307536, 1634420, 2124746, 3268840, 4249492, 5311865, 6537680, 8498984, 10623730, 16997968, 21247460, 42494920, 84989840]

約数ペア:

[(1, 84989840), (2, 42494920), (4, 21247460), (5, 16997968), (8, 10623730), (10, 8498984), (13, 6537680), (16, 5311865), (20, 4249492), (26, 3268840), (40, 2124746), (52, 1634420), (65, 1307536), (71, 1197040), (80, 1062373), (104, 817210), (130, 653768), (142, 598520), (208, 408605), (260, 326884), (284, 299260), (355, 239408), (520, 163442), (568, 149630), (710, 119704), (923, 92080), (1040, 81721), (1136, 74815), (1151, 73840), (1420, 59852), (1846, 46040), (2302, 36920), (2840, 29926), (3692, 23020), (4604, 18460), (4615, 18416), (5680, 14963), (5755, 14768), (7384, 11510), (9208, 9230)]